/*
 * Copyright (c) 2015-2020, www.dibo.ltd (service@dibo.ltd).
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * <p>
 * https://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.dromara.common.core.exception;


import org.dromara.common.core.enums.StatusEnum;
import org.dromara.common.core.utils.I18n;
import org.dromara.common.core.utils.S;

import java.util.HashMap;
import java.util.Map;

/**
 * 通用的业务异常类 BusinessException
 * (json形式返回值同JsonResult，便于前端统一处理)
 *
 * @author : wee
 * @version : v2.0
 * @Date 2019-07-11  11:10
 */
public class BusinessException extends RuntimeException {
    private static final long serialVersionUID = 6947618826898130771L;

    private Integer code;

    /**
     * 错误的状态
     */
    private StatusEnum status;

    /**
     * 默认：操作失败
     */
    public BusinessException() {
        super(StatusEnum.FAIL_OPERATION.label());
        this.status = StatusEnum.FAIL_OPERATION;
    }

    /**
     * 自定义状态码
     */
    public BusinessException(StatusEnum status) {
        super(status.label());
        this.status = status;
    }

    /**
     * 自定义状态码和异常
     */
    public BusinessException(StatusEnum status, Throwable ex) {
        super(status.label(), ex);
        this.status = status;
    }

    /**
     * 自定义状态码和内容提示
     */
    public BusinessException(StatusEnum status, String msg, Object... args) {
        super(status.label() + ": " + S.format(I18n.message(msg, args), args));
        this.status = status;
    }

    /**
     * 自定义状态码和内容提示
     */
    public BusinessException(int code, String msg) {
        super(I18n.message(msg));
        this.code = code;
    }

    /**
     * 自定义内容提示
     */
    public BusinessException(String msg, Object... args) {
        super(S.format(I18n.message(msg, args), args));
        this.status = StatusEnum.FAIL_OPERATION;
    }

    /**
     * 自定义内容提示
     */
    public BusinessException(StatusEnum status, Throwable ex, String msg, Object... args) {
        super(status.label() + ": " + S.format(I18n.message(msg, args), args), ex);
        this.status = status;
    }

    /**
     * 自定义内容提示
     */
    public BusinessException(int code, Throwable ex, String msg, Object... args) {
        super(S.format(I18n.message(msg, args), args), ex);
        this.code = code;
    }

    /**
     * 转换为Map
     */
    public Map<String, Object> toMap() {
        Map<String, Object> map = new HashMap<>(8);
        map.put("code", getCode());
        map.put("msg", getMessage());
        return map;
    }

    /**
     * 获取status，以便复用
     */
    public StatusEnum getStatus() {
        return this.status;
    }

    private Integer getCode() {
        if (this.code == null && this.status != null) {
            this.code = this.status.code();
        }
        return this.code;
    }

}
